4tan2x1tan2x 4tan2x1tan2x 4tan2x1tan2xSolutiongiven 4tan2x1t
4tan^2x-1=tan^2x
4tan^2x-1=tan^2x
4tan^2x-1=tan^2x
Solution
given
4tan^2x-1=tan^2x
3tan^2x-1=0
3tan^2x=1
tan^2x= 1/3
tan(x)= +-(1/sqrt(3))
tan(x)= (1/sqrt(3)),-(1/sqrt(3))
x= pi/6,7pi/6,5pi/6,11pi/6 ans
